chris

CentOS Stream 9 — libpng15 — vulnerability — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — libpng15 — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2026:3031 Related CVEs: CVE-2026-25646 Upstream summary: The libpng15 package provides libpng 1.5, an older version of the libpng. library for manipulating PNG (Portable Network Graphics) image format files. This version should […]

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CentOS Stream 10 — haproxy — vulnerability — patch and remediation guide — diagnosis and fix on CentOS Stream 10

CentOS Stream 10 — haproxy — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: CentOS Stream 10 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2025:21691 Related CVEs: CVE-2025-11230 Upstream summary: The haproxy packages provide a reliable, high-performance network load balancer for TCP and HTTP-based applications. Security Fix(es): * haproxy: denial of service vulnerability in HAProxy […]

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SLES 12 — libwebp5 — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — libwebp5 — multiple vulnerabilities (11 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2021:1830-1 (see also SUSE bugzilla) Related CVEs: CVE-2018-25009 CVE-2018-25010 CVE-2018-25011 CVE-2018-25012 CVE-2018-25013 CVE-2020-36331 CVE-2023-4863 CVE-2023-1999  +3 more Upstream summary: A heap-based buffer overflow was found in libwebp in versions before 1.0.1 in […]

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SLES 15 — samba — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — samba — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2023:0019-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-44640 CVE-2009-1886 CVE-2020-17049 CVE-2010-3069 CVE-2012-0870 CVE-2012-1182 CVE-2013-4408 CVE-2015-8467  +12 more Upstream summary: Heimdal before 7.7.1 allows remote attackers to execute arbitrary code because of an […]

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SLES 16 — libcaca0 — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — libcaca0 — multiple vulnerabilities (10 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2022:0754-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-30498 CVE-2021-30499 CVE-2018-20547 CVE-2021-3410 CVE-2022-0856 CVE-2018-20544 CVE-2018-20545 CVE-2018-20546  +2 more Upstream summary: A flaw was found in libcaca. A heap buffer overflow in export.c in […]

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Oracle Linux 8 — aarch64 Only: Installer Displays Error: ' Failed to set new efi boot target ' on Systems With a Multipath-Enabled NVMe Controller — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — aarch64 Only: Installer Displays Error: ‘ Failed to set new efi boot target ‘ on Systems With a Multipath-Enabled NVMe Controller

🟠 High   ⏱ 5–30 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: Oracle Bug 34215333 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan […]

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Oracle Linux 9 — .NET 7.0 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — .NET 7.0 — vulnerability — patch and remediation guide (ELSA-2023-5749)

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-5749 Related CVEs: CVE-2023-44487 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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pr cp 124000 r2

Oracle Linux 10 – subscription-manager shows unknown repository status after registration – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Oracle Linux 10 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors […]

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FreeBSD 12 — jenkins — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — jenkins — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: jenkins — multiple vulnerabilities Related CVEs: CVE-2011-4969 CVE-2013-1808 CVE-2013-2033 CVE-2013-2034 CVE-2013-2186 CVE-2013-5573 CVE-2013-7285 CVE-2014-1869  +12 more Upstream summary: Jenkins Security Advisory 2026-03-18: SECURITY-3657 / CVE-2026-33001: Arbitrary file write vulnerability through […]

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FreeBSD 13 — wireshark — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — wireshark — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: wireshark — multiple security issues Related CVEs: CVE-2007-3389 CVE-2007-3390 CVE-2007-3391 CVE-2007-3392 CVE-2007-3393 CVE-2007-6112 CVE-2007-6113 CVE-2007-6114  +12 more Upstream summary: wireshark developers reports: wnpa-sec-2018-05. IEEE 802.11 dissector crash. (CVE-2018-7335) wnpa-sec-2018-06. Large […]

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